8х^4-11х^4+3х^4=? 3а^3b+7a^2ba-15ba^3=?

Question

8х^4-11х^4+3х^4=?

3а^3b+7a^2ba-15ba^3=?

Answer 1

8x⁴ - 11x⁴ + 3x⁴ = 0
3a³b + 7a²ba - 15 ba³ = 3a³b + 7ba³ - 15ba³ = - 5a³b